Trochlea morphology demonstrates variability but no gender difference in osteoarthritic patients undergoing total knee arthroplasty

In recent years, coronal lower leg alignment has received significant attention. Two classifications recently described the variability in both femoral and tibial morphology, resulting in differing native lower limb alignment. The native trochlea and the variability in morphology has received less a...

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Bibliographic Details
Published in:The knee 2024-08, Vol.49, p.79-86
Main Authors: Klasan, Antonio, Anelli-Monti, Victoria, Putnis, Sven, Neri, Thomas, Smekal, Vinzenz, Kammerlander, Christian
Format: Article
Language:English
Subjects:
Dysplasia
Osteoarthritis
Patellofemoral joint
Trochlea
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Summary:In recent years, coronal lower leg alignment has received significant attention. Two classifications recently described the variability in both femoral and tibial morphology, resulting in differing native lower limb alignment. The native trochlea and the variability in morphology has received less attention. This is a prospective cohort study of 200 patients undergoing robotically assisted TKA. Preoperative transverse CT scans were used to determine the posterior condylar axis (PCA), transepicondylar axis (TEA), lateral trochlear inclination (LTI), the sulcus angle (SA) and the anterior trochlear line (ATL). Outliers were defined as values > 1.5 IQR from median value. Trochlea dysplasia was defined as LTI 
ISSN:0968-0160
1873-5800
1873-5800
DOI:10.1016/j.knee.2024.06.002